STLplus C++ library collection SVN stlplus3

Added MSWINDOWS macro

Modified error function for WIN32 to remove trailing newline on error messages

*** empty log message ***

First version of a class for managing dynamic-link libraries which provides a
platform-independent interface

Changed dependencies of strings and persistence libraries

Added documentation of platform directives

Standardised on ifdef for compiler/platform switches to make them easy to
search for

Containers library no longer has a lib file when linking

merged .cpp file into header to remove any requirement to compile this library

slight change to build message format